background image

67D Series Pressure Reducing Regulators

TyPe 67DF oR 67DFR FilTeReD RegulaToR

TyPe 67D oR 67DR RegulaToR

Figure 1. 67D Series Pressure Reducing Regulators

installation, operation and maintenance 

procedures performed by unqualified 

personnel may result in improper 

adjustment and unsafe operation. either 

condition may result in equipment 

damage or personal injury. use qualified 

personnel when installing, operating 

and maintaining the 67D Series Pressure 

Reducing Regulators.

introduction

Scope of the Manual

This manual provides instructions for the installation, 

maintenance and parts ordering information for 

67D Series regulators. Instructions and parts lists for 

other equipment mentioned in this instruction manual, 

as well as for other 67 Series regulators, are found in 

separate manuals.

!

WaRning

Failure to follow these instructions or 

to properly install and maintain this 

equipment could result in an explosion, 

fire and/or chemical contamination 

causing property damage and personal 

injury or death.
Fisher™ regulators must be 

installed, operated and maintained 

in accordance with federal, state and 

local codes, rules and regulations and 

emerson Process Management Regulator 

Technologies, inc. instructions.
if the regulator vents gas or a leak 

develops in the system, service to 

the unit may be required. Failure 

to correct trouble could result in a 

hazardous condition.

Instruction Manual

D103151X012
April 2017

67D Series

Summary of Contents for 67D Series

Page 1: ...67D Series regulators Instructions and parts lists for other equipment mentioned in this instruction manual as well as for other 67 Series regulators are found in separate manuals Warning Failure to follow these instructions or to properly install and maintain this equipment could result in an explosion fire and or chemical contamination causing property damage and personal injury or death Fisher ...

Page 2: ...0 41 bar differential Temperature Capabilities 1 With Nitrile NBR Standard Bolting 20 to 180 F 29 to 82 C Stainless Steel Bolting 40 to 180 F 40 to 82 C Temperature Capabilities 1 continued With Fluorocarbon FKM Polyethylene Filter 4 Standard 0 to 180 F 18 to 82 C Polyvinylidene PVDF Stainless steel or Glass Filter Optional 0 to 300 F 18 to 149 C With Silicone VMQ 2 Diaphragm Low Temperature Nitri...

Page 3: ...the regulator the force created by the downstream pressure will lift the diaphragm until the diaphragm is lifted off the relief seat This allows flow through the token relief The relief valve on the Type 67DR 67DSR 67DFR or 67DFSR is an elastomer plug that prevents leakage of air from the downstream to atmosphere during normal operation thereby conserving plant air Smart Bleed Airset In some cases...

Page 4: ...nternal relief valve of the Type 67DR 67DSR 67DFR or 67DFSR does not provide full overpressure protection The internal relief valve is designed for minor seat leakage only If maximum inlet pressure to the regulator exceeds maximum pressure ratings of the downstream equipment or exceeds maximum allowable outlet pressure of the regulator additional overpressure protection is required A regulator may...

Page 5: ...er installation completed and downstream equipment properly adjusted slowly open the upstream and downstream block valve when used while using pressure gauges to monitor pressure Warning To avoid personal injury property damage or equipment damage caused by bursting of pressure containing parts or explosion of accumulated gas never adjust the control spring to produce an outlet pressure higher tha...

Page 6: ...key 16 on the body key 1 as shown in Figure 3 or 4 Push down on the diaphragm assembly to make sure the valve plug key 57 strokes smoothly and approximately 1 16 in 1 6 mm Note In step 5 if installing a control spring of a different range be sure to delete the spring range originally appearing on the label and indicate the new spring range 5 Stack the control spring key 17 and upper spring seat ke...

Page 7: ... galling of stainless steel 7 When all maintenance is complete refer to the Startup and Adjustment section to put the regulator back into operation and adjust the pressure setting Tighten the hex nut key 19 if used and install the closing cap key 33 if used Parts Ordering When corresponding with the local Sales Office about this regulator include the Type number and all other pertinent information...

Page 8: ...r For Type 67D 67DR 67DS or 67DSR Nitrile NBR 10A3803X092 Fluorocarbon FKM 10A3803X112 Silicone VMQ 10A3803X102 15 Soft Seat Nitrile NBR T14055T0012 Fluorocarbon FKM T14055T0022 16 Diaphragm Assembly For Type 67D or 67DF without relief Nitrile NBR T14119T0022 Fluorocarbon FKM T14119T0042 For Type 67DR or 67DFR with relief Nitrile NBR T14119T0012 Fluorocarbon FKM T14119T0032 Silicone VMQ T14119T005...

Page 9: ...d 67DFSR only 0L078343062 48 Spring Retainer For Type 67D or 67DR Aluminum GG03555X012 For Type 67DS or 67DSR Stainless steel GE31803X022 For Type 67DF or 67DFR Zinc plated steel GE31797X012 For Type 67DFS or 67DFSR Stainless steel GE31797X022 49 O ring Plug Nitrile NBR T12946T0012 Fluorocarbon FKM 1C8538X0182 Low Temperature Nitrile NBR 1C8538X0192 50 O ring Stem Nitrile NBR 1H2926X0052 Fluorocar...

Page 10: ...t shown 25 apply LUBRICANT L 18 19 20 7 58 1 3 4 66 12 6 65 2 5 9 48 49 57 11 50 15 3 17 16 L L L L Figure 6 Type 67DFS or 67DFSR Assembly GE31805_B 33 18 20 17 3 16 1 15 4 12 6 9 2 19 7 45 50 11 58 57 3 66 49 48 5 65 L L L L apply lubricant L 10 67D Series ...

Page 11: ...with inlet standard position 3 position 2 position 4 Figure 7 67D Series Optional Panel Mount 40C1728_A 18 19 31 RETAINING RING PUSHER POST WITHOUT RELIEF LOWER SPRING SEAT DIAPHRAGM PLATE PUSHER POST WITH RELIEF DIAPHRAGM Figure 9 Key 16 Diaphragm Assembly B2696 11 67D Series ...

Page 12: ...ile effort has been made to ensure their accuracy they are not to be construed as warranties or guarantees express or implied regarding the products or services described herein or their use or applicability All sales are governed by our terms and conditions which are available on request We reserve the right to modify or improve the designs or specifications of our products at any time without no...

Reviews: